# Interval Timer by PMak vs PDF2Audio

The clearest difference is update cadence: Interval Timer by PMak at weekly against PDF2Audio's every 3 months. Interval Timer by PMak also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer by PMak sells 1 one-off in-app purchase and PDF2Audio sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer by PMak ships an update weekly, PDF2Audio every 3 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Interval Timer by PMak | PDF2Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timer-by-pmak/id1575221861/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Petr Makarov](https://appshunter.io/developer/1833268731) | [Shaozhuang Chen](https://appshunter.io/developer/1692461668) |

## What reviewers say

### Interval Timer by PMak

[App page](https://appshunter.io/ios/app/interval-timer-by-pmak/id1575221861)

This app helps you maximize productivity and training by creating and managing custom interval timers. It features sound notifications for each interval and runs in the background for seamless multitasking. Easily duplicate intervals to save time and enhance your workout or time management sessions.

**Highlights:** Multiple timers, Variable interval durations, Voice and sound notifications, Interval copying, Background operation, Push notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | one-time |


### PDF2Audio

[App page](https://appshunter.io/ios/app/pdf2audio-read-pdfs-aloud/id6762536249)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| Pro Users | $59.99 | per month |
| Basic Plan | $79.99 | per year |
| Pro Users | $499.99 | per year |
| 100,000 characters | $4.99 | one-time |
| 300,000 characters | $12.99 | one-time |
| 1,000,000 characters | $34.99 | one-time |


## Frequently asked questions

### Is Interval Timer by PMak free?

Interval Timer by PMak is free to download, with in-app purchases available.

### Is PDF2Audio free?

PDF2Audio is free to download, with in-app purchases available.

### Do Interval Timer by PMak or PDF2Audio have ads?

Neither Interval Timer by PMak nor PDF2Audio shows ads.

### Which is updated more often, Interval Timer by PMak or PDF2Audio?

Interval Timer by PMak ships an update weekly, and PDF2Audio every 3 months. Most recently, Interval Timer by PMak was updated on November 3, 2026 and PDF2Audio on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*